RF Switched-Capacitor Power Amplifier Modeling

被引：3

作者：

Sotiriadis, Paul P. ^{[1
]}

Adamopoulos, Christos G. ^{[2
]}

Baxevanakis, Dimitrios ^{[1
]}

Zarkos, Panagiotis G. ^{[2
]}

Vassiliou, Iason ^{[3
]}

机构：

[1] Natl Tech Univ Athens, Dept Elect & Comp Engn, Athens 15780, Greece

[2] Berkeley Engn, Dept EECS, Berkeley, CA 94720 USA

[3] Broadcom Hellas, Athens 17455, Greece

来源：

IEEE TRANSACTIONS ON COMPUTER-AIDED DESIGN OF INTEGRATED CIRCUITS AND SYSTEMS | 2021年 / 40卷 / 08期

关键词：

Drain efficiency (DE); harmonic distortion; power amplifier (PA); state-space; steady-state; switched-capacitor;

D O I：

10.1109/TCAD.2020.3025207

中图分类号：

TP3 [计算技术、计算机技术];

学科分类号：

0812 ;

摘要：

Detailed state-space modeling and analysis of a class of RF switched-capacitor power amplifiers achieving high efficiency, output power, and linearity are presented. Time-domain voltage and current waveforms are analytically obtained via the steady-state solution of the amplifier's model equations. The output power of the fundamental and that of the harmonics, as well as the drain efficiency of the switched-capacitor power amplifier (SCPA) are derived. The state-space model is implemented in MATLAB and all theoretical results are compared to Cadence Spectre simulation of the SCPA and are found to be in good agreement.

引用

页码：1525 / 1530

页数：6

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